› added 4 years ago

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TIL Dragonflies are among the earth's most efficient predators with a 95% catch rate of prey

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mxY8o A new study published in the journal Frontiers in Ecology and the Environment suggests that leopards in Mumbai, the world’s sixth most-populated city, may save human lives by feeding on feral dogs. Feral dogs are a major health issue in India, where they are the leading cause of rabies deaths.
oE87 TIL American adults(18+) have an average of two close friends they are able to confide in with 4% of adults having none.
R5aV6 TIL about L-8, a Navy blimp whose crew mysteriously disappeared over the Pacific in 1942, before crashing into a suburb of San Francisco. L-8 was repaired and later became the Goodyear blimp.
0deb5 TIL that one of the first devices made to estimate electric voltage, the "Frog Galvanoscope" of the late 1700s, was named after its crude method of attaching electrical wires directly to the exposed nerve of a recently skinned frog leg, which would jerk suddenly in response to electric current.
WkaJA TIL there is a leading lithium-ion battery company called "Incell"